In the realm of energy efficiency and structural integrity, one often-overlooked but crucial aspect is the condition of cavity walls. Many modern properties feature these walls, comprised of two layers with a gap in between, known as the cavity. While this design offers benefits, such as insulation and moisture control, it also presents challenges for energy efficiency if maintenance or installation is poor. Our assessors can identify potential issues through a cavity wall inspection, using advanced tools like borescopes. This not only ensures the longevity and stability of a property, but places a primary emphasis on enhancing energy efficiency. In this blog, we will explore the significance of a cavity wall inspection, with a particular focus on how it contributes to improve the energy performance of a home. Additionally, we will shed light on the advanced training our assessors have undertaken to tackle this critical task.

The Importance of a Cavity Wall Inspection

  1. Preventing Structural Damage: Inadequate maintenance of cavity walls can lead to severe structural issues. Water infiltration, insulation failures, and debris accumulation within the cavity can compromise the structure’s stability. Regular borescope assessments help identify these issues early, preventing costly repairs and preserving the overall integrity of the building.
  2. Energy Efficiency: A well-maintained cavity wall, observed through the borescope assessments, plays a pivotal role in a property’s energy efficiency. Insulation within the cavity regulates indoor temperatures, reducing reliance on heating systems. These assessments ensure that any cavity wall insulation is intact and functioning optimally, contributing to lower energy bills and a smaller environmental footprint.
  3. Mould and Damp Prevention: Moisture penetration into the cavity can lead to mould growth and damp conditions. Regular cavity wall inspections help identify moisture sources to prevent any problems arising to safeguard both structural elements and your health.

Understanding the Cavity Wall Inspection Process

A borescope inspection thoroughly examines concealed areas of a structure, offering a close-up view of its internal components. The process is facilitated by a borescope – a device equipped with a camera and a flexible tube. The inspection provides valuable insights into the structural health of a cavity wall. Here’s a breakdown of a borescope inspection:

  1. Firstly, the assessors will visually inspect the wall and identify any external issues.
  2. They will then drill a 8mm hole into the mortar of the external brickwork. The borescope is inserted through this small hole into the cavity wall.
  3. The borescope captures a real-time feed allowing the assessors to inspect the cavity for insulation, water damage, and debris. They take photos and videos of the cavity for their report.
  4. Once the assessor has concluded their visual assessment they remove the borescope and fill the small hole with a weather-proof sealant

Training our Assessors

Recognising the critical role a cavity wall inspection has in thorough retrofit assessments, our assessors have undergone specialised training. This equips them with the knowledge and skills needed for an in-depth borescope assessment in the world of retrofit. Our assessors delve deep into cavity wall construction intricacies, understanding various materials and potential vulnerabilities. They are trained to use advanced borescopes for maximal assessment precision and efficiency, ensuring a non-intrusive inspection.

Stan, one of our assessors, holding a large drill
Stan, one of our retrofit assessors, completing his first cavity wall inspection

Conclusion

Ultimately, a cavity wall inspection is a cornerstone of responsible energy performance. By investing in our assessors’ development in cavity wall inspections, we commit to delivering unparalleled expertise and service. As Building Energy Experts navigate modern construction complexities, our mission remains improving the energy efficiency of your property.

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